videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including The Hush Sound - Lion's Roar (Piano Cover by Richie), Katy Perry - Hummingbird Heartbeat (Piano Cover by Richie of ThePianoBros), The Hush Sound - We Intertwined (Piano Cover by Ryan)